Swiss Army style keyring with thumbnail cutouts. Version 4 with 30mm ruler marks, 15° angle marker, hex & mini hex drive sockets.
Ruler marks filled with white acrylic paint. Sanded with 120 grade paper, wet sanded with 600 grade wet & dry then varnished with a matt acrylic varnish.
Print both sides, fit M3 nuts or M3 lock nuts to the side with the hex recess. Fit three M3 screws to the other side, adding M3 washers between the sides and keys and where necessary (if the keys are loose side to side), print the keyhole spacers from the High-Res version ( https://www.thingiverse.com/thing:1584429 ). Nip the screws up and if needed cut the screws down to length (measure, remove, cut and refit).